On 2005-10-07 06:40:21 +0000 Roman Belenov <[EMAIL PROTECTED]> wrote:
Markus Hitter <[EMAIL PROTECTED]> writes:
Is there a fallback for applications that don't explicitly observe this
notification (like passing terminate: to NSApplication instance) ?
Since about any Mac OS X app bases on NSApplication and NSApplication
handles
this, there's no need for a fallback mechanism.
Do you mean that NSApplication observes NSWorkspaceWillPowerOffNotification
internally ? That doesn't seems reasonable (it would rely on notification
processing order in current implementation, since reference manual mentions
that it is undefined); anyway, is there some documentation confirming this ?
I think he probably either misunderstood your question ... this thread is
quite confusing.
To clarify ...
1. In GNUstep there is no mechanism for a session manager to shut down an
application, but there *IS* a mechanism for a session manager to send an
NSWorkspaceWillPowerOffNotification to all applications.
2. In MacOS-X, there is some *undocumented* mechanism for a session-manager
to shut down applications.
3. In both cases, the actual graceful shutdown should result in delivery of
an NSWorkspaceWillPowerOffNotification within the application, followed by a
-terminate message to the NSApp instance (which in turn sends a message to
the application delegate so that it can clean up).
I think we should provide a (documented) mechanism to shut down an
application for GNUstep. This should probably be some message that the
application will respond to like -powerOff, which will send a local
NSWorkspaceWillPowerOffNotification within the receiving application and
then call [NSApp terminate].
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